[FFmpeg-user] showvolume filter memory leak

[Paul B Mahol]

On Sun, Apr 24, 2022 at 3:25 PM Bang He <hezhanbang at gmail.com> wrote:

> why do you use nut format? i think that is not popular.
>

Popular is not necessarily good.


>
> On Sat, Apr 23, 2022 at 7:06 AM ramon <calanor at gmail.com> wrote:
>
> > You were right, there is no memory leak in the showvolume. Vagrind does
> not
> > detect memory leaks and graphmonitor oscillates in green colour between 1
> > and 2 in the queue.
> > The problem I see is in the NUT output format.
> >
> > I need to generate a vumeter from the input stream and pipe to vlc. So, I
> > make a vumeter and use a rawvideo  cocdec without encoding and pipe in
> nut
> > format to VLC. This works fine with the memory leak problem.
> > I have tried "-syncpoints none" option for nut but VLC won't play it.
> Also
> > I tried rawvideo format output but it doesn't work either.
> >
> > Is there any other way to send a raw video output to vlc?
> >
> > Thank you,
> >
> > On Tue, Apr 19, 2022 at 7:00 PM Paul B Mahol <onemda at gmail.com> wrote:
> >
> > > On Tue, Apr 19, 2022 at 12:15 PM ramon <calanor at gmail.com> wrote:
> > >
> > > > OK I'll check the pts sync as you say.
> > > >
> > > > I am simply trying the following command based on
> > > >
> > > >
> > >
> >
> https://hhsprings.bitbucket.io/docs/programming/examples/ffmpeg/audio_visualization/_showvolume_.html
> > > > and I get memory leaks.,   I don't know the reason.
> > > >
> > > > ffmpeg -re -stream_loop -1 -i test.mp3 -filter_complex
> > > > "[0:a]showvolume,scale=1920:-1,pad=1920:1080:(ow-iw)/2:(oh-ih)/2[v]"
> > -map
> > > > [v] -map 0:a -c:a copy -f null -
> > > >
> > >
> > >
> > > Used valgrind and top with exact that line and spotted nothing out of
> > > normal.
> > >
> > >
> > > >
> > > >
> > > > On Mon, Apr 18, 2022 at 8:27 PM Paul B Mahol <onemda at gmail.com>
> wrote:
> > > >
> > > > > On Mon, Apr 18, 2022 at 8:13 PM Paul B Mahol <onemda at gmail.com>
> > wrote:
> > > > >
> > > > > >
> > > > > >
> > > > > > On Mon, Apr 18, 2022 at 7:00 PM ramon <calanor at gmail.com> wrote:
> > > > > >
> > > > > >> Yes, I used the master versión with your 24144af2 patch.
> > > > > >> Your patch corectec the leak if  dm (draw_persistent_duration) >
> > 0,
> > > > and
> > > > > >> the
> > > > > >> leak memory occurs also with dm=0.
> > > > > >>
> > > > > >
> > > > > > Does not leak here at all.
> > > > > >
> > > > >
> > > > > Do note that if PTS get out of sync it could start to keep yet not
> > used
> > > > > frames.
> > > > >
> > > > > Could you use graphmonitor filter after showvolume filter? The
> queue
> > > > items
> > > > > displayed in video should not reach red colored numbers.
> > > > >
> > > > >
> > > > > >
> > > > > >
> > > > > >>
> > > > > >>
> > > > > >>
> > > > > >> On Mon, Apr 18, 2022 at 5:51 PM Paul B Mahol <onemda at gmail.com>
> > > > wrote:
> > > > > >>
> > > > > >> > On Mon, Apr 18, 2022 at 5:32 PM ramon <calanor at gmail.com>
> > wrote:
> > > > > >> >
> > > > > >> > > Thanks,but not work.  The memory leak is the same.
> > > > > >> > > The init function is called only once.
> > > > > >> > >
> > > > > >> > >
> > > > > >> > Sorry, use master version of ffmpeg.
> > > > > >> >
> > > > > >> >
> > > > > >> > >
> > > > > >> > >
> > > > > >> > > On Wed, Apr 13, 2022 at 6:24 PM Paul B Mahol <
> > onemda at gmail.com>
> > > > > >> wrote:
> > > > > >> > >
> > > > > >> > > > On Wed, Apr 13, 2022 at 5:58 PM ramon <calanor at gmail.com>
> > > > wrote:
> > > > > >> > > >
> > > > > >> > > > > I'm testing the showolume filter to generate a single
> > > vumeter
> > > > > >> from an
> > > > > >> > > > input
> > > > > >> > > > > stream.
> > > > > >> > > > > The filter works perfectly but eats memory.
> Approximately
> > > > > >> 500MBytes
> > > > > >> > > > every 2
> > > > > >> > > > > days.
> > > > > >> > > > >
> > > > > >> > > > > Using ffmpeg version 5.0-static on GNU/Linux
> > > 4.15.0-45-generic
> > > > > >> x86_64
> > > > > >> > > > >
> > > > > >> > > > > In normal use I use an output nut format with a pipe to
> a
> > > vlc
> > > > > >> player.
> > > > > >> > > But
> > > > > >> > > > > with a simple output to null it also has a memory leak.
> > > > > >> > > > >
> > > > > >> > > > > My testing commandline:
> > > > > >> > > > >
> > > > > >> > > > > ffmpeg -i udp://@239.1.1.1:1234 -filter_complex
> > > > > >> > > > >
> > > > > >> > > >
> > > > > >> > >
> > > > > >> >
> > > > > >>
> > > > >
> > > >
> > >
> >
> [0:a]showvolume=r=20:ds=log:m=r:v=0:t=0:dm=2:dmc=yellow:o=h:w=320:h=8[out]
> > > > > >> > > > > -map [out] -map 0:a -an -c:v rawvideo -pix_fmt rgb24 -f
> > null
> > > > > >> > /dev/null
> > > > > >> > > > >
> > > > > >> > > >
> > > > > >> > > > Small leaks (648 bytes per each init) have been fixed.
> > Thanks
> > > > for
> > > > > >> > report.
> > > > > >> > > >
> > > > > >> > > >
> > > > > >> > > > >
> > > > > >> > > > >
> > > > > >> > > > > Thanks,
> > > > > >> > > > > Ramon
> > > > > >> > > > > _______________________________________________
> > > > > >> > > > > ffmpeg-user mailing list
> > > > > >> > > > > ffmpeg-user at ffmpeg.org
> > > > > >> > > > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > > > > >> > > > >
> > > > > >> > > > > To unsubscribe, visit link above, or email
> > > > > >> > > > > ffmpeg-user-request at ffmpeg.org with subject
> > "unsubscribe".
> > > > > >> > > > >
> > > > > >> > > > _______________________________________________
> > > > > >> > > > ffmpeg-user mailing list
> > > > > >> > > > ffmpeg-user at ffmpeg.org
> > > > > >> > > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > > > > >> > > >
> > > > > >> > > > To unsubscribe, visit link above, or email
> > > > > >> > > > ffmpeg-user-request at ffmpeg.org with subject
> "unsubscribe".
> > > > > >> > > >
> > > > > >> > > _______________________________________________
> > > > > >> > > ffmpeg-user mailing list
> > > > > >> > > ffmpeg-user at ffmpeg.org
> > > > > >> > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > > > > >> > >
> > > > > >> > > To unsubscribe, visit link above, or email
> > > > > >> > > ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> > > > > >> > >
> > > > > >> > _______________________________________________
> > > > > >> > ffmpeg-user mailing list
> > > > > >> > ffmpeg-user at ffmpeg.org
> > > > > >> > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > > > > >> >
> > > > > >> > To unsubscribe, visit link above, or email
> > > > > >> > ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> > > > > >> >
> > > > > >> _______________________________________________
> > > > > >> ffmpeg-user mailing list
> > > > > >> ffmpeg-user at ffmpeg.org
> > > > > >> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > > > > >>
> > > > > >> To unsubscribe, visit link above, or email
> > > > > >> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> > > > > >>
> > > > > >
> > > > > _______________________________________________
> > > > > ffmpeg-user mailing list
> > > > > ffmpeg-user at ffmpeg.org
> > > > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > > > >
> > > > > To unsubscribe, visit link above, or email
> > > > > ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> > > > >
> > > > _______________________________________________
> > > > ffmpeg-user mailing list
> > > > ffmpeg-user at ffmpeg.org
> > > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > > >
> > > > To unsubscribe, visit link above, or email
> > > > ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> > > >
> > > _______________________________________________
> > > ffmpeg-user mailing list
> > > ffmpeg-user at ffmpeg.org
> > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > >
> > > To unsubscribe, visit link above, or email
> > > ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> > >
> > _______________________________________________
> > ffmpeg-user mailing list
> > ffmpeg-user at ffmpeg.org
> > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >
> > To unsubscribe, visit link above, or email
> > ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> >
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
>